# AD 62-24-01: Stabilizer Spar

- Type: Airworthiness directive
- Status: Historical
- Products: Hawker Beechcraft 45 (Military YT-34), A45 (Military T-34A, B-45) and D45 (Military T-34B)
- Effective: November 26, 1962
- Published: November 14, 1962
- Superseded by: [AD 2007-06-01](https://openairdocs.org/ad/2007-06-01)
- Product type: Aircraft, Small airplane
- Registered aircraft: 257 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/15CE731FC0A3E1F086256A080072349F.0001
- DRS record last changed: August 7, 2025
- Page: https://openairdocs.org/ad/62-24-01

## The airworthiness directive

62-24-01 BEECH: Amdt. 508 Part 507 Federal Register November 14, 1962. Applies to All Models 45 (YT-34), A45, B45 (T-34A) and D45 (T-34B) Aircraft With 1,000 Hours or More Total Time In Service.

Compliance required within the next ten hours' time in service after the effective date of this AD unless already accomplished within the last 490 hours' time in service and thereafter at intervals not exceeding 500 hours' time in service from the last inspection.

Remove both horizontal stabilizers from the aircraft and thoroughly inspect the front and rear spars between the butt rib and the inboard end for cracks, using the dye penetrant method or FAA approved equivalent. If any crack is found in either the spar or reinforcing doubler, replace the stabilizer.

NOTE: Operators are requested to send a completed Form FAA 1226 to their local FAA General Aviation District Office if replacement of the stabilizer is required by this AD.

(Beech Service Bulletin 45 (YT-34), B45-No. 35, A45 (T-34A) - No. 5, and D45 (T- 34B) - No. 2 covers this same subject.)

This directive effective November 26, 1962.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 5A3](https://openairdocs.org/tcds/5A3): Textron Aviation Inc.; names 3 of 3 models: 45 (Military YT-34), D45 (Military T-34B), A45 (Military T-34A; B-45)

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 257 (257 by airframe model, 0 by engine model)
- Makers: Beech 244, Beech-Parks 5, Beech-Nogle 4, Beech-Curtis 1, Beech-Sarver 1, Beech/Blackwell D D 1, Beech/Briggs 1

Models with the most aircraft:

- [Beech A45](https://openairdocs.org/model/beech-a45): 162 aircraft (airframe model)
- [Beech D-45](https://openairdocs.org/model/beech-d-45): 70 aircraft (airframe model)
- [Beech D-45 (T-34B)](https://openairdocs.org/model/beech-d-45-t-34b): 5 aircraft (airframe model)
- [Beech A45 (T-34A)](https://openairdocs.org/model/beech-a45-t-34a): 5 aircraft (airframe model)
- [Beech-Nogle D-45](https://openairdocs.org/model/beech-nogle-d-45): 4 aircraft (airframe model)
- [Beech-Parks BEECH-PARKS D-45](https://openairdocs.org/model/beech-parks-beech-parks-d-45): 4 aircraft (airframe model)
- [Beech 45](https://openairdocs.org/model/beech-45): 2 aircraft (airframe model)
- [Beech-Parks A45](https://openairdocs.org/model/beech-parks-a45): 1 aircraft (airframe model)
- [Beech-Curtis D-45](https://openairdocs.org/model/beech-curtis-d-45): 1 aircraft (airframe model)
- [Beech-Sarver D-45](https://openairdocs.org/model/beech-sarver-d-45): 1 aircraft (airframe model)
- [Beech/Blackwell D D A-45](https://openairdocs.org/model/beech-blackwell-d-d-a-45): 1 aircraft (airframe model)
- [Beech/Briggs A-45 (B-45)](https://openairdocs.org/model/beech-briggs-a-45-b-45): 1 aircraft (airframe model)

All 12 models: https://openairdocs.org/ad/62-24-01/models.md
Every aircraft: https://openairdocs.org/ad/62-24-01/aircraft.md

## Related documents

- [AD 2007-06-01](https://openairdocs.org/ad/2007-06-01) (historical): Front and rear horizontal stabilizer spars · Hawker Beechcraft 45 (Military YT-34), A45 (Military T-34A, B-45) and D45 (Military T-34B). Effective Apr 16, 2007. Supersedes this AD

Its text cites no advisory circulars or STCs.

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